At 1024 by 768 the adds seems like they can be moved alittle farther to the right & they would not wrap around any more.
You say the adds are where google wants them does that also mean the adds have to start at that collum number ?.
I seems that the adds could be pushed even farther right then just alittle & force the adds to wrap around themselfs another line & still have no problem fitting all four adds on one page.

BTW I now have a problem with some the adds starting where some of the message leaves off, 2 or 3 spaces would be nice. To me this is still better then flashing & changing adds or popups.
Bob